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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1426912Generated: November 3, 2026

Hydrochloric Acid → N-(3-chloro-2-hydroxypropyl)-5-((R)-2-(5-fluoro-2-oxo-1,2-dihydropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

https://huagongshe.com/reaction/1426912

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-(2,3-dihydroxypropyl)-5-((R)-2-(5-fluoro-2-methoxypyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamideHCID 67471091—
ProductN-(3-chloro-2-hydroxypropyl)-5-((R)-2-(5-fluoro-2-oxo-1,2-dihydropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamideHCID 67471084—

Reaction Conditions

Temperature85 °C

Reaction Steps

A mixture of N-(2,3-dihydroxypropyl)-5-((R)-2-(5-fluoro-2-methoxypyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide (100 mg, 0.232 mmol) and HCl (4 N, dioxane, 5.8 mL) was sealed in a pressure tube and heated at 85° C. overnight. After the clear solution was decanted, the crude product was obtained as a brownish oily residue, which was vacuum-dried and used directly in the next step without further purification. MS (apci) m/z=435.0 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08933084B2
Source datasetuspto-grants-2015_01
ORD IDord-7a5cd20820ec4591ac8159aa68e9118e
Source noteuspto-grants-2015_01